Table 1 Mechanical properties of BC films with different wet-stretching
Samples | Strain at the break, % | s.d. | Young’s modulus, GPa | s.d. | Tensile strength, MPa | s.d. | Toughness, MJ/m−3 | s.d. |
|---|---|---|---|---|---|---|---|---|
BC-00 | 3.7 | 0.075 | 9.2 | 1.5 | 116.5 | 8.0 | 2.0 | 0.6 |
BC-20 | 3.8 | 0.05 | 12.3 | 1.0 | 229.9 | 6.0 | 4.0 | 0.3 |
BC-30 | 4.0 | 0.06 | 41.1 | 0.9 | 678.5 | 6.6 | 12.7 | 0.4 |
BC-40 | 4.2 | 0.075 | 43.6 | 0.7 | 1018.8 | 5.3 | 20.2 | 0.4 |